{
    #
    # 20virtual_domains -- add virtual domains to the list of local domains
    #
    use esmith::DomainsDB;
    my $domainsDb = esmith::DomainsDB->open_ro();

    @domainList = (@domainList, map { $_->key } grep{ ($_->prop('TransportType') || '') =~ m/^(Relay|LocalDelivery)$/ } $domainsDb->domains());

    '';
}